;;; Compiled by f2cl version:
;;; ("$Id: f2cl1.l,v 1.209 2008/09/11 14:59:55 rtoy Exp $"
;;;  "$Id: f2cl2.l,v 1.37 2008/02/22 22:19:33 rtoy Rel $"
;;;  "$Id: f2cl3.l,v 1.6 2008/02/22 22:19:33 rtoy Rel $"
;;;  "$Id: f2cl4.l,v 1.7 2008/02/22 22:19:34 rtoy Rel $"
;;;  "$Id: f2cl5.l,v 1.197 2008/09/11 15:03:25 rtoy Exp $"
;;;  "$Id: f2cl6.l,v 1.48 2008/08/24 00:56:27 rtoy Exp $"
;;;  "$Id: macros.l,v 1.106 2008/09/15 15:27:36 rtoy Exp $")

;;; Using Lisp International Allegro CL Enterprise Edition 8.1 [64-bit Linux (x86-64)] (Oct 7, 2008 17:13)
;;;
;;; Options: ((:prune-labels nil) (:auto-save t)
;;;           (:relaxed-array-decls t) (:coerce-assigns :as-needed)
;;;           (:array-type ':array) (:array-slicing t)
;;;           (:declare-common nil) (:float-format double-float))

(in-package :clml.blas)


(defun icamax (n cx incx)
  (declare (type (array f2cl-lib:complex8 (*)) cx)
   (type (f2cl-lib:integer4) incx n))
  (f2cl-lib:with-multi-array-data ((cx f2cl-lib:complex8 cx-%data%
                                    cx-%offset%))
    (labels ((cabs1 (zdum)
               (+ (abs (f2cl-lib:freal zdum))
                  (abs (f2cl-lib:aimag zdum)))))
      (declare
       (ftype
        (function (f2cl-lib:complex8) (values single-float &rest t))
        cabs1))
      (prog ((zdum #C(0.0f0 0.0f0)) (i 0) (ix 0) (smax 0.0f0)
             (icamax 0))
         (declare (type (f2cl-lib:complex8) zdum)
                  #+sbcl (ignorable zdum)
             (type (single-float) smax)
             (type (f2cl-lib:integer4) icamax ix i))
            (setf icamax 0)
            (if (or (< n 1) (<= incx 0)) (go end_label))
            (setf icamax 1)
            (if (= n 1) (go end_label))
            (if (= incx 1) (go label20))
            (setf ix 1)
            (setf smax
                  (cabs1
                   (f2cl-lib:fref cx-%data% (1) ((1 *)) cx-%offset%)))
            (setf ix (f2cl-lib:int-add ix incx))
            (f2cl-lib:fdo (i 2 (f2cl-lib:int-add i 1)) ((> i n) nil)
                          (tagbody
                              (if (<= (cabs1
                                       (f2cl-lib:fref cx-%data% (ix)
                                                      ((1 *))
                                                      cx-%offset%))
                                      smax)
                                  (go label5))
                              (setf icamax i)
                              (setf smax
                                    (cabs1
                                     (f2cl-lib:fref cx-%data% (ix)
                                                    ((1 *))
                                                    cx-%offset%)))
                            label5
                              (setf ix (f2cl-lib:int-add ix incx))
                            label10))
            (go end_label)
       label20 (setf smax
                     (cabs1
                      (f2cl-lib:fref cx-%data% (1) ((1 *))
                                     cx-%offset%)))
            (f2cl-lib:fdo (i 2 (f2cl-lib:int-add i 1)) ((> i n) nil)
                          (tagbody
                              (if (<= (cabs1
                                       (f2cl-lib:fref cx-%data% (i)
                                                      ((1 *))
                                                      cx-%offset%))
                                      smax)
                                  (go label30))
                              (setf icamax i)
                              (setf smax
                                    (cabs1
                                     (f2cl-lib:fref cx-%data% (i)
                                                    ((1 *))
                                                    cx-%offset%)))
                            label30))
            (go end_label)
       end_label (return (values icamax nil nil nil))))))

(in-package #-gcl #:cl-user #+gcl "CL-USER")
#+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
(eval-when (:load-toplevel :compile-toplevel :execute)
  (setf (gethash 'fortran-to-lisp::icamax
                 fortran-to-lisp::*f2cl-function-info*)
        (fortran-to-lisp::make-f2cl-finfo :arg-types '((fortran-to-lisp::integer4)
                                                       (array
                                                        fortran-to-lisp::complex8
                                                        (*))
                                                       (fortran-to-lisp::integer4))
          :return-values '(nil nil nil)
          :calls 'nil)))

